December 14, 2010
As of 10.6.6 beta release, atiradeonX3000.kext – the accelerator, it sets up card and provide bridge for using hardware accelerated opengl/quartz extreme/core image.
So, ATIRadeonX3000.kext supports radeon 6xx0 series card (already released 6870/6850 and upcoming tomorrow 6950/6970).
But, OSX still missing the framebuffer driver for 6xxx series. Framebuffer drivers sets up output screen, manages resolutions, multiple displays, does power management and etc.